315266313 has 16 divisors (see below), whose sum is σ = 446912640. Its totient is φ = 197243904.

The previous prime is 315266299. The next prime is 315266321. The reversal of 315266313 is 313662513.

It is a happy number.

It is not a de Polignac number, because 315266313 - 2¹² = 315262217 is a prime.

It is a super-2 number, since 2×315266313² = 198785696225227938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315266333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39448 + ... + 46761.

It is an arithmetic number, because the mean of its divisors is an integer number (27932040).

Almost surely, 2^315266313 is an apocalyptic number.

It is an amenable number.

315266313 is a deficient number, since it is larger than the sum of its proper divisors (131646327).

315266313 is a wasteful number, since it uses less digits than its factorization.

315266313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86288.

The product of its digits is 9720, while the sum is 30.

The square root of 315266313 is about 17755.7402830747. The cubic root of 315266313 is about 680.6009055396.

The spelling of 315266313 in words is "three hundred fifteen million, two hundred sixty-six thousand, three hundred thirteen".